/* header组件样式 */
.header-item {
    width:89.333333%;
    overflow:hidden;
}
.back {
    float:left;
}
.shape {
    float:left;
    margin-left:81.79%;
}
.combined {
    float:right;
    margin-right:0;
}
a {
    height:16px;
}
img {
    height:16px;
}